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  • Enum-枚举的用法

        public enum BedType
            {
                [Description("单人床")]
                SINGLE = 1,
                [Description("大床")]
                DOUBLE = 2,
                [Description("上下铺")]
                BUNK = 3,
                [Description("通铺")]
                DORM_BED = 4,
                [Description("榻榻米")]
                TATAMI = 5,
                [Description("水床")]
                WATER_BED = 6,
                [Description("圆床")]
                ROUND_BED = 7,
                [Description("折叠床")]
                FOLDING_BED = 8,
                [Description("婴儿床")]
                BABY_COT = 9,
                [Description("拼床")]
                CONNECTED_BED = 10,
                [Description("其它")]
                OTHERS = 11
            }
           /// <summary>
            /// 返回描述值  例:同意  [Description("同意")]  
            /// </summary>
            /// <param name="source">Enum.Attribute</param>
            /// <returns>Description</returns>
            public static string GetDescription(Enum source)
            {
                var attr = GetAttribute<System.ComponentModel.DescriptionAttribute>(source);
                if (attr == null)
                {
                    return null;
                }
    
                return attr.Description;
            }
    
    
            private static T GetAttribute<T>(Enum source) where T : Attribute
            {
                Type sourceType = source.GetType();
                string sourceName = Enum.GetName(sourceType, source);
                FieldInfo field = sourceType.GetField(sourceName);
                object[] attributes = field.GetCustomAttributes(typeof(T), false);
                foreach (object attribute in attributes)
                {
                    if (attribute is T)
                    {
                        return (T)attribute;
                    }
                }
                return null;
            }
    显示值
    //
    BABY_COT EnumHelp.BedType.BABY_COT.ToString(); //9 ((int)EnumHelp.BedType.BABY_COT).ToString(); //婴儿床 EnumHelp.GetDescription(EnumHelp.BedType.BABY_COT); //BUNK Enum.GetName(typeof(EnumHelp.BedType), 3); //False Enum.IsDefined(typeof(EnumHelp.BedType), "ADD_REMARKS");

     //BUNK       
    EnumHelp.BedType SType = (EnumHelp.BedType)Enum.Parse(typeof(EnumHelp.BedType), "3", true);


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  • 原文地址:https://www.cnblogs.com/Harvard-L/p/6042866.html
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